Angular velocity sensor

Details Angular velocity sensor Angular velocity sensor

2006-05-30

2006-05-30

Chapman, John E. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C310S370000

Reexamination Certificate

active

07051592

ABSTRACT:
An angular velocity sensor includes a tuning-fork resonator having prongs, a supporting substrate having the tuning-fork resonator mounted thereon, and a casing accommodating the tuning-fork resonator. The base ends of the prongs constitute a base. A principal surface of the supporting substrate and a principal surface of the tuning-fork resonator are opposed to each other. The supporting substrate supports the prongs at the base so that the prongs vibrate. The supporting substrate has a first slit. The first slit is open at one end substantially in the center of a side that is substantially perpendicular to the longitudinal direction of the prongs, extends in the longitudinal direction of the prongs, and divides the supporting substrate into substrate components corresponding to the prongs. The substrate components are fixed to the casing at non-vibrating portions present in two sides extending in the longitudinal direction of the prongs.

REFERENCES:
patent: 6647786 (2003-11-01), Ohta et al.
patent: 6799461 (2004-10-01), Fujimoto et al.
patent: 11-230758 (1999-08-01), None

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